Performance Verification 18-17
Remote PreAmp verification
Follow the procedures below to verify accuracy of the Model 6430 with the Remote
PreAmp.
NOTE Be sure the Remote PreAmp MAINFRAME connector is connected to the mainframe
REMOTE PreAmp connector before performing these Remote PreAmp verification
procedures.
Connecting Remote PreAmp to the mainframe
WARNING Potentially hazardous source voltage is routed from the mainframe to the
Remote PreAmp via the PreAmp cable. Adhere to the following safety pre-
cautions to prevent electric shock:
• The SourceMeter must be turned off before connecting (or disconnect-
ing) the Remote PreAmp to the mainframe.
• When not using the Remote PreAmp, disconnect the PreAmp cable at
the PreAmp connector on the mainframe. DO NOT leave the PreAmp
cable connected to the mainframe if the other end is not connected to
the Remote PreAmp.
• ALWAYS re-install the plastic safety cover onto the mainframe
PreAmp connector whenever the Remote PreAmp is not being used.
Use the supplied PreAmp cable to connect the Remote PreAmp to the mainframe as follows:
1. From the front panel of the SourceMeter, turn the POWER off.
2. Connect the PreAmp cable to the Remote PreAmp. The PreAmp connector on the
Remote PreAmp is labeled “MAINFRAME.”
3. At the rear panel of the mainframe, remove the plastic safety cover from the PreAmp
connector. This PreAmp connector is labeled “REMOTE PreAmp.” The plastic cover is
secured to the connector with two screws. Hold on to the plastic cover and the retaining
screws. Whenever the Remote PreAmp is not being used, the plastic safety cover must
be re-installed on the mainframe PreAmp connector.
4. Connect the other end of the PreAmp cable to the mainframe.
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